Benzene is a volatile toxic liquid, inhalation into the lungs will be toxic reaction, prone to acute toxic reaction, should take measures to detoxification. Take the patient out of the space where benzene exists, transfer to the environment with fresh air circulation, take off the clothes that may be contaminated, the contaminated skin and mucous membranes can be washed with soapy water, and pay attention to warmth to avoid getting cold. If unconsciousness is present, actively monitor vital signs. If there is dyspnea or even respiratory failure, mechanical aerobic ventilation should be given to keep the airway open. Observe cardiac activity and perform cardiopulmonary resuscitation if cardiac failure occurs, or in case of cardiac arrest. Attention should also be paid to patients with agitation and twitching of the limbs should be given sedatives. During the recovery period the diet should be light, you can eat more colorful vegetables and fruits to promote the excretion of toxins in the body.